Means for separating, washing, and discharging comminuted solid material immersed inliquids



1,570,854.. C. H. NORDELL MEANS FOR SEPARATING, WASHING, AND DISCHARGING COMMINUTED SOLID MATERIAL IMMERSED IN LIQUIDS Flled Sept 12 1922 I NV EN TOR.

v v 4 11M!!! 1 4 ll Patented Jan. 26,

intense ammo-stares PATENT entice.-

CARL 11. treatment. or roar WAYNE, INDIANA.

MEANS FOR SEPARATING. WASHING, AND DISCHARGING COMMINUTED MATERIAL IMMERSED IN LIQUIDS.

H. Application filed September To all whom f t 777W] concern:

Be it'. known that I, CARL H. Nonnnnn, a citizen of the United States, residing at Fort Vayne, in the county of Allen and $tate of Indiana, have invented new and useful Improvements in 'Means for Separating, VVashing,- and Discharging Comminuted .Solid Material Immersed in Liquids, of which the following is a speciiication.

My invention relates to a method of and means for separating, washing and discharging comminuted solid material immersed in liquid, the discharge being from a washing chamber located betweeatwo other chambers in a closed system and the movement of liquid in said chambers and the means for controlling the opening fromeach said chamber to its succeeding one depending upon the relative pressures in said chambers.

Heretofore, it has been found dillicult to .discharge precipitated granular or com ininuted solid material from a washing chamber into a lower chamber in a closed system without allowing too much of the liquid in the lower chamber to pass upwardly through the washing chamber and to waste, when the valve wasbeing closed by a decrease in pressure in the upper chamber, at which time a fresh charge of solid material and liquid is-being admitted from the outside to the washing chamber.

' The three connecting, chambers; the opening between the washing chamber and the.

lower chamber; a heavy check valve, adapted to close. said opening; a substantially vertically positioned cylinder with ports, forming the connection between the washing chamber and the upper chamber: a piston adapted to reciprocate in the'cylinder and close the ports; and a connect-ion between said check valve and said piston, constitute the essential elements of thi'sinvention. v

The improvements described in this invention provide means for discharging the precipitated solid material from the washing chamber into a lower chamber whileallowing only substantially so much of the liquid from the lower chamber to pass upwardly into the washing chamber as replacesthe bulk of solid materialand the pistonls displacement. Upon closure by the check valve of the opening betweenthe washing-chamber and the lower chamber, wash liquid passes trated and-described in my SOLID 12.1922. Serial No. 587,836.

The particular embodiment of my invention selected for illustration is the zeohte washing chamber and the chambers above and beneath it for use on an automatic wa ter softening apparatus, such as that illusco-pending application Serial #561,095 filed May 15th, 1922 and Serial #585,045 filed August 29th, 1922.

Figure 1 shows the three chambers and their connecting elements, the check 'alve and the union of the connecting rod. in vertical axial section and the piston, ball valve, remainder of the connecting rod and pipe for forwarding fresh charges of zeolites and water in full the cylinder ports being closed and the check valve open. Fig. 2, a detail, is the same for so mucl of the device as. is shown. with the cylinder ports open and the check valve closed.

Fig. 8, a detail, is a perspective of the cylinder with parts broken away and in section and i Fig. 4', a detail, is an elevation of the pis ton with a partof the universal joint in vertical axial section.

Referring now to the drawings, 1 is the washing chamber, 2, the lower chamber and, 3, the upper chamber. Granular or comminuted water softening mineral that has beenregenerated passes from a source not shown inthe drawings through the pipe, 4, at theopening, 5, into the washing chamher, 1.

The chamber, 1, has preferably a conical bottom and the opening between chambers,

1 and2, is provided with a preferably resillent valve seat, 6, and a relatively heavy also secured to said Both valve, 7, encl stop, 9, are locked. 11'). position on the rod, 8,

1 by the out, 10.

' and 3, substantially equal.

The valve, '4", is raised seating position (shown in Fig. 2) by means of the upward pressure of water in the chamber, 1, upon a piston, 11, packing rings, l2, and is adapted to fit loosely in a cylinder, 13, secured in the opening'beiwccn the chambers, 1 211162. 3.

The cylinder, 13, is provided with a, head, l l, invvhicli is scstecl hell check valve, 15, seciired against clisplacemcnt in any cox-ivenienb manner, as by the pin, 21., and s also provided with a shoulder, 16, upon which, the out, 17, secured to the threaded stml, i8, rests, Tllfifijlllldi is provided with POI'iS, 19, through which water flows to the chamber, 8, when. the valve, '3, seated. The piston, 11, is CGRDEClLEfl to ilie valve rcci, 8, by :1 universal joint, 26.

The operstioii of the device is, as follows: Suppose the parts to he as shown in Fig. l and the pressures in chambers, 1, 2

Then of? external means not shown in the drawing and not a part of this invention, the chamber,

3, is momentarily substantially relieved of pressure; whereupon the pressures are imoalanceml on the piston, 11, it is miscrl by hydraulic pressure in chairiber, 1, carryirig with it the heavy check valve, 7, eml attendant ,ozirts. The piston and the check valve are so positional relatively, the? the valve closes the opening between. chambers, l and 2, and the piston uncovers the ports, 19, simultaneously.

The parts are now in the position shown in ,lli'g. 2 eiicl the liquicl in chamber, 1,

flows through the sorts, 19, into the lower' pressure region in chamber, 3, same time a .Iresh charge of commuiuterl cil l t t b SOUL; an -quics en ere no cnan e1, i, through the pipe, e, and opening, 5. As the chamber, 3, vzcs only momentarily re While at the licved of pressure, the incoming charge of comminutecl material and liquids builds up the pressure in chambers, 1 and which now have iree communication through the ports, 19. When this pressure builds o3 sufliciently, the heavy check. valve, 7, and.

attendant ports all l3 ravit', carrvin' Y 5 3 i A g with it the piston, 11, until all. ih'eseparts are brought so rest by the not, 1?, hearing on the shouloer, 1.6, of i'l'ie cylinder, 13. y

The poris are now again in the'posicion shown in l; the pressures substantially equalize throughout anal lihc coinmimiico. material in chamber, 1, falls into clisiriber,

which has labyrinthine em-see 2, While water to rake place flows back from chamber, 2, ho chamber, 2. against the descending stream of conm'iinutecl material thereby Washing it. I

The hall check, 15, in the cap, 14, permits free discharge of the liquid. fiat-appeal in the cylincler, 13, between the piston, l1, and the cap, 14:, but retards or prevents its return through the cap, 14%. When the piston descends, therefore, the Water previously discharged from this space must ire-enter through the opening between the walls of rhe-cviinder, l3, and the piston, ii .is this opening is restricted, the piston and attenclant ports are forced to fall slowly, preventing shock.

l. claim as my invention an] desire to secure by Letters Patent of ilic United Sl cer-cs2 1. A device for separating, washing and discharging commim tecl solid material immerscil in liquid, comprising three chemhers one above another, he central one of Q. A device for seperefging, vvsshin and discharging comminoted solid msteriali immersecl in liquicl, comprising three chamhers one above another, the control one of vvhichhas a connection leading to each of the others; means for admitting such solids v "P and llqlllclS to the central chamber; a. valve seal; ancl check valve therefor adapted; to control the flow of solid matter and licuid tliroiigh the opening between the mi .clle

anal lower chambers; a cylinder with ports and a piston therefor adapie& to control the flow of liquid. from the central cham-,

her to the upper chamber; e connection between said valve snci piston to insure the poris being open only when the valve is closed, and the valve being" closed only when the @oris are open; the combined pismil. eml valve adapted to be operated by the difierentiel hydraulic pressures in said chambers in combination with a device for separating, Washing and discharging com minutecl solid material immersed in liquid, a: check valve, e pistonemi a connection between saicl check valve and piston, causing solid pisson and valve,- to move .m unison.

lintesiimony whereof I have hereunto set my bowl, 1 i y I v CABLE. NORDELL, 

